Node tests fixes (#106371)

* capture loop variable

* capture the loop variable and don't fail on not found errors

* capture loop variable

* Revert "Mark restart_test as flaky"

This reverts commit 990e9506de.

* skip e2e node restart test with dockershim

* Update test/e2e_node/restart_test.go

Co-authored-by: Mike Miranda <mikemp96@gmail.com>

* capture loop using index

Co-authored-by: Mike Miranda <mikemp96@gmail.com>

test/e2e_node/density_test.go

@@ -447,7 +447,8 @@ func runDensitySeqTest(f *framework.Framework, rc *ResourceCollector, testArg de
 // between creations there is an interval for throughput control
 func createBatchPodWithRateControl(f *framework.Framework, pods []*v1.Pod, interval time.Duration) map[string]metav1.Time {
 	createTimes := make(map[string]metav1.Time)
-	for _, pod := range pods {
+	for i := range pods {
+		pod := pods[i]
 		createTimes[pod.ObjectMeta.Name] = metav1.Now()
 		go f.PodClient().Create(pod)
 		time.Sleep(interval)